Home / 843,661,775.15-1,265,031,333.17-669,900,995.42

Finding the Fourth Proportional to 843,661,775.15, 1,265,031,333.17 and 669,900,995.42

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Solution

The fourth proportional to 843,661,775.15, 1,265,031,333.17 and 669,900,995.42 is: 1,004,485,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,661,775.15 : 1,265,031,333.17 = 669,900,995.42 : x
  2. Step 2: Convert to fraction form
    843,661,775.15/1,265,031,333.17 = 669,900,995.42/x
  3. Step 3: Cross multiply
    843,661,775.15x = 1,265,031,333.17 × 669,900,995.42
  4. Step 4: Simplify right side
    843,661,775.15x = 847,445,749,328,166,144
  5. Step 5: Solve for x
    x = 847,445,749,328,166,144/843,661,775.15
  6. Step 6: Final answer
    x = 1,004,485,179.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.